[INFO] cloning repository https://github.com/nacho-vlad/graph-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nacho-vlad/graph-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacho-vlad%2Fgraph-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacho-vlad%2Fgraph-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2c787dccbb5c0817eecc8b187fffdf70355d392
[INFO] checking nacho-vlad/graph-rs against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacho-vlad%2Fgraph-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nacho-vlad/graph-rs
[INFO] finished tweaking git repo https://github.com/nacho-vlad/graph-rs
[INFO] tweaked toml for git repo https://github.com/nacho-vlad/graph-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nacho-vlad/graph-rs on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nacho-vlad/graph-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generational-arena v0.2.8
[INFO] [stderr]   Downloaded rustyline v8.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 726afcb14a12b03e1ad08cdd998442c9c1208eadfe04d723f8d32094af80c18b
[INFO] running `Command { std: "docker" "start" "-a" "726afcb14a12b03e1ad08cdd998442c9c1208eadfe04d723f8d32094af80c18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "726afcb14a12b03e1ad08cdd998442c9c1208eadfe04d723f8d32094af80c18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726afcb14a12b03e1ad08cdd998442c9c1208eadfe04d723f8d32094af80c18b", kill_on_drop: false }`
[INFO] [stdout] 726afcb14a12b03e1ad08cdd998442c9c1208eadfe04d723f8d32094af80c18b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e7561c4e147116c28c37c210bc4f7561387c5a3289bd90d7f360002dfb5b872
[INFO] running `Command { std: "docker" "start" "-a" "6e7561c4e147116c28c37c210bc4f7561387c5a3289bd90d7f360002dfb5b872", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rustyline v8.0.0
[INFO] [stderr]     Checking graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn vertices(&self) -> generational_arena::Iter<V> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn vertices(&self) -> generational_arena::Iter<'_, V> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn edges(&self) -> hash_map::Iter<EdgeId, E> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn edges(&self) -> hash_map::Iter<'_, EdgeId, E> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:292:21
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn vertices(&self) -> hash_map::Keys<V, VertexId> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn vertices(&self) -> hash_map::Keys<'_, V, VertexId> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn vertices(&self) -> generational_arena::Iter<V> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn vertices(&self) -> generational_arena::Iter<'_, V> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn edges(&self) -> hash_map::Iter<EdgeId, E> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn edges(&self) -> hash_map::Iter<'_, EdgeId, E> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:292:21
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn vertices(&self) -> hash_map::Keys<V, VertexId> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn vertices(&self) -> hash_map::Keys<'_, V, VertexId> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_graph` is never used
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn random_graph(vertices: u32, edges: u32) -> GraphMap<u32,u32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_graph` is never used
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn random_graph(vertices: u32, edges: u32) -> GraphMap<u32,u32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "6e7561c4e147116c28c37c210bc4f7561387c5a3289bd90d7f360002dfb5b872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e7561c4e147116c28c37c210bc4f7561387c5a3289bd90d7f360002dfb5b872", kill_on_drop: false }`
[INFO] [stdout] 6e7561c4e147116c28c37c210bc4f7561387c5a3289bd90d7f360002dfb5b872
